Home / 51,496.48-77,259.30-30,455.20

Finding the Fourth Proportional to 51,496.48, 77,259.30 and 30,455.20

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Solution

The fourth proportional to 51,496.48, 77,259.30 and 30,455.20 is: 45,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,496.48 : 77,259.30 = 30,455.20 : x
  2. Step 2: Convert to fraction form
    51,496.48/77,259.30 = 30,455.20/x
  3. Step 3: Cross multiply
    51,496.48x = 77,259.30 × 30,455.20
  4. Step 4: Simplify right side
    51,496.48x = 2,352,947,433.36
  5. Step 5: Solve for x
    x = 2,352,947,433.36/51,496.48
  6. Step 6: Final answer
    x = 45,691.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.